Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/50 of 2/10?"
4050 × 210 is 425.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50×2/10 40/50×4/10 40/50×2/20 40/50×6/10 40/50×2/30 40/50×2/50 40/50×14/10 40/50×2/70
© everydaycalculation.com